依靠管道水压自流的情况下,测流量采用()流量计就更为有利
A、涡轮
B、孔板
C、电磁
D、刮板
参考答案:C
--I went to work on foot yesterday, though it was raining cats and dogs.
---You __________ a bus. You were likely to get a cold.
A.must have taken
B.would take
C.could take
D.should have taken
显示器的技术指标之一是______。
A.分辨率
B.亮度
C.重量
D.耗电量